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Iowa County – Ancestry

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Ancestry refers to the lineage or descent of a person, family, or group, tracing back through generations to identify their origins, heritage, and familial connections. It encompasses the genetic, cultural, and historical ties that link individuals to their forebears, shaping their identity and sense of belonging. Ancestry is a multifaceted concept, intertwining biology, genealogy, history, and culture, and it plays a significant role in how people understand themselves and their place in the world.

At its core, ancestry is rooted in genetics. Each individual inherits a unique combination of DNA from their parents, who in turn inherited their DNA from their own ancestors. This genetic material carries information about physical traits, predispositions to certain health conditions, and even behavioral tendencies. Advances in genetic testing, such as DNA analysis, have made it possible for individuals to trace their biological ancestry with remarkable precision. Companies like 23andMe and AncestryDNA offer services that analyze genetic markers to provide insights into a person's ethnic composition and geographic origins, often revealing surprising connections to distant relatives or previously unknown heritage.

Beyond genetics, ancestry is deeply tied to genealogy, the study of family history and lineage. Genealogical research involves constructing family trees, documenting relationships, and uncovering historical records such as birth certificates, marriage licenses, census data, and immigration documents. This process often reveals stories of migration, resilience, and adaptation, offering a window into the lives of ancestors and the challenges they faced. For many, genealogy is a way to honor their forebears and preserve their legacy for future generations.

Cultural ancestry is another critical dimension, encompassing the traditions, languages, customs, and values passed down through generations. It connects individuals to their ethnic or national heritage, shaping their cultural identity and worldview. For example, someone with Irish ancestry might celebrate St. Patrick's Day, learn traditional Irish dance, or explore the Gaelic language, while someone with Japanese ancestry might practice tea ceremonies, study calligraphy, or observe Obon festivals. Cultural ancestry fosters a sense of continuity and belonging, linking individuals to a broader community with shared experiences and values.

Historical ancestry delves into the broader context of a family's or group's past, including significant events, social conditions, and historical movements that shaped their lives. For instance, the transatlantic slave trade, the Irish Potato Famine, or the Jewish diaspora have profoundly influenced the ancestry of millions of people, leaving lasting imprints on their descendants' identities. Understanding historical ancestry often involves grappling with complex narratives of triumph and tragedy, resilience and oppression, and the interplay of individual and collective experiences.

Ancestry also has a deeply personal and emotional dimension. For many, exploring their ancestry is a journey of self-discovery, offering insights into who they are and where they come from. It can foster a sense of pride, connection, and continuity, as well as a deeper appreciation for the struggles and achievements of those who came before. At the same time, it can raise questions about identity, belonging, and the complexities of heritage, particularly for individuals with mixed or multicultural backgrounds.

In a globalized world, ancestry serves as a bridge between the past and the present, connecting individuals to their roots while also highlighting the interconnectedness of human history. It underscores the diversity and richness of human experience, reminding us that every person's story is part of a larger tapestry woven over centuries. Whether through genetic testing, genealogical research, cultural practices, or historical exploration, ancestry offers a profound way to understand ourselves and our place in the world.

A diversification score measures the diversity of ancestries in the county. As the value appoaches 100, ancestry diversity decreases and therefore increasing the risk of a lack of cultural diversity. The ancestry diversification score for this county is:

17.38

Most common ancestry not including "Unknown" is:

German

 
Ancestry Report Part I
DescriptionTotal Population American Native American Hawaiian Caribbean (Latino) Mexican Central American South American Other Hispanic African American Sub- Saharan Caribbean (Black)

Iowa County16,72883622144263547972148
Iowa (in 000's)3,267138951516129710724015
National (in 000's)343,25113,8902,21362611,32738,8796,1814,6443,68725,8937,8527,174
Linn County233,5528,3334046149596,5849593872538,6554,7371,463
Johnson County161,8184,160222431,3086,2391,6251,1275865,7575,9631,096
Benton County25,7661,553292453651066454413
Washington County22,6461,240174211,2322030168925113
Poweshiek County18,6319624220493577188910010861
Tama County16,8075091,12821651,407225430904711
Keokuk County9,88870930917324185023
 
Per Cent to Total PopulationDiversity
Index
 

Iowa County17.385.000.130.010.022.550.210.020.470.430.080.05
Iowa12.524.230.270.170.464.920.890.220.322.211.240.45
National7.834.050.640.183.3011.331.801.351.077.542.292.09
Linn County12.643.570.170.260.412.820.410.170.113.712.030.63
Johnson County9.662.570.140.030.813.861.000.700.363.563.690.68
Benton County17.916.030.110.010.171.420.000.000.260.170.170.05
Washington County16.695.480.080.020.095.440.900.000.740.410.230.06
Poweshiek County13.675.160.230.110.261.920.380.040.480.540.580.33
Tama County13.173.036.710.010.988.371.340.020.180.540.280.07
Keokuk County18.597.170.030.000.091.750.240.010.080.510.020.03
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Iowa County 118.1248.533.595.2151.8023.4110.64149.9019.516.7610.68
Iowa 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 95.65237.92109.49719.30230.38201.48602.19340.91341.89184.79466.70
Linn County 84.3363.83157.7489.5057.3445.9473.7534.38167.95163.85139.87
Johnson County 60.7650.6215.94176.1978.42112.35309.99114.94161.24297.68151.24
Benton County 142.4641.534.6638.0728.810.430.0081.307.9213.7911.27
Washington County 129.4227.7010.6020.21110.65100.290.00235.4618.4118.1912.82
Poweshiek County 122.0483.1864.4157.3338.9742.6419.11151.6224.3346.8373.11
Tama County 71.582,476.437.14213.99170.27149.7810.5956.6524.2722.5914.61
Keokuk County 169.4711.190.0019.8435.5927.164.5025.6822.921.636.77
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Iowa County 123.5020.403.280.7222.4811.621.7743.975.713.662.29
Iowa 104.5542.0391.3313.9043.4149.6316.6129.3329.2554.1221.43
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Linn County 88.1726.83144.0712.4424.8922.8012.2510.0949.1388.6729.97
Johnson County 63.5321.2814.5624.4934.0455.7651.4833.7247.16161.0932.41
Benton County 148.9517.464.255.2912.510.220.0023.852.327.472.41
Washington County 135.3111.649.682.8148.0349.780.0069.075.399.842.75
Poweshiek County 127.6034.9658.837.9716.9221.163.1744.487.1225.3415.66
Tama County 74.841,040.886.5229.7573.9174.341.7616.627.1012.223.13
Keokuk County 177.194.710.002.7615.4513.480.757.536.700.881.45
 
Ancestry Report Part II
DescriptionTotal Population Canadian British Dutch French German Italian Polish Scandi­navian Scotish/ Irish Spanish Other European

Iowa County16,728151,2873282644,9321241156131,72429650
Iowa (in 000's)3,2675204733670537211872745100
National (in 000's)343,2511,35018,0691,8283,64224,7089,0274,6675,96920,6251,1409,563
Linn County233,55233915,9082,4122,73347,0762,3851,58511,61321,55024112,313
Johnson County161,81845110,2731,5921,56027,8172,5621,6318,08414,0944907,187
Benton County25,766171,7062673277,4291661651,5032,53571,390
Washington County22,646541,3692363655,6421271686392,04272723
Poweshiek County18,631641,4057203633,878160658282,00347689
Tama County16,80716735131973,32895666241,027341,051
Keokuk County9,888138222001652,52844462539073249
 
Per Cent to Total PopulationDiversity
Index
 

Iowa County17.380.097.691.961.5829.480.740.693.6610.310.173.89
Iowa12.520.166.242.241.1121.591.140.655.738.390.153.05
National7.830.395.260.531.067.202.631.361.746.010.332.79
Linn County12.640.156.811.031.1720.161.020.684.979.230.105.27
Johnson County9.660.286.350.980.9617.191.581.015.008.710.304.44
Benton County17.910.076.621.041.2728.830.640.645.839.840.035.39
Washington County16.690.246.051.041.6124.910.560.742.829.020.323.19
Poweshiek County13.670.347.543.861.9520.810.860.354.4410.750.253.70
Tama County13.170.104.370.780.5819.800.570.393.716.110.206.25
Keokuk County18.590.138.312.021.6725.570.440.472.569.170.032.52
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Iowa County 54.92123.3687.69142.64136.5764.85106.1263.99122.79114.12127.42
Iowa 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 240.9284.4023.8295.8933.34230.07209.8730.3671.59218.6791.37
Linn County 88.90109.2146.19105.7693.3789.33104.7686.83109.9467.93172.89
Johnson County 170.70101.7944.0087.1379.63138.50155.5987.23103.77199.33145.65
Benton County 40.41106.1646.34114.70133.5656.3698.85101.86117.2217.88176.91
Washington County 146.0596.9346.61145.67115.4049.06114.5249.27107.43209.29104.69
Poweshiek County 210.40120.92172.83176.0996.4275.1353.8677.60128.09166.06121.27
Tama County 58.3170.1234.8652.1691.7249.4560.6264.8372.80133.17205.06
Keokuk County 80.52133.2990.46150.82118.4338.9371.8144.68109.2919.9782.58
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Iowa County 22.80146.16368.19148.75409.5928.1950.56210.74171.5252.19139.47
Iowa 41.51118.48419.87104.29299.9143.4747.65329.35139.6845.73109.45
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Linn County 36.90129.39193.92110.29280.0238.8349.92285.96153.5631.06189.22
Johnson County 70.86120.60184.7490.86238.8160.2074.13287.30144.9591.16159.41
Benton County 16.77125.78194.58119.62400.5524.5047.10335.47163.748.18193.63
Washington County 60.62114.84195.69151.91346.1121.3254.56162.27150.0795.71114.59
Poweshiek County 87.33143.26725.66183.64289.1632.6525.66255.58178.9275.94132.73
Tama County 24.2083.08146.3654.40275.0821.4928.88213.52101.7060.90224.44
Keokuk County 33.42157.92379.80157.28355.1716.9234.22147.15152.669.1390.38
 
Ancestry Report Part III
DescriptionTotal Population Chinese Filipino Japanese Korean Vietnamese South Central Asian South East Asian Other Asian Middle Eastern Other Ancestry Unknown

Iowa County16,728140003314609904,098
Iowa (in 000's)3,267126179191688310720
National (in 000's)343,2514,4613,0107931,5411,9135,4521,6431,2291,93147,32251,000
Linn County233,552531500833503142,4267863001,49320,39354,873
Johnson County161,8183,1652252491,2161,0552,3674565711,13519,39028,122
Benton County25,76675016751014131,2406,774
Washington County22,64646220150032601,6906,366
Poweshiek County18,631900259814561510561,6134,565
Tama County16,8073924140133811,9353,957
Keokuk County9,8880000001636433,023
 
Per Cent to Total PopulationDiversity
Index
 

Iowa County17.380.010.020.000.000.000.200.080.040.005.9224.50
Iowa12.520.360.190.040.230.270.590.500.250.259.4822.04
National7.831.300.880.230.450.561.590.480.360.5613.7914.86
Linn County12.640.230.210.040.150.131.040.340.130.648.7323.49
Johnson County9.661.960.140.150.750.651.460.280.350.7011.9817.38
Benton County17.910.030.020.000.060.030.020.040.050.054.8126.29
Washington County16.690.200.100.000.070.000.000.010.110.007.4628.11
Poweshiek County13.670.480.000.130.530.080.300.080.050.308.6624.50
Tama County13.170.230.140.010.020.000.080.020.050.0111.5123.54
Keokuk County18.590.000.000.000.000.000.000.010.060.036.5030.57
 
Comparisons to State Norms % to Total >= 150% % to Total < 50% 

Iowa County 1.6712.590.000.000.0033.6316.8514.360.0062.42111.14
Iowa 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
National 362.77461.68623.66198.84204.04270.8096.34143.40229.35145.4167.40
Linn County 63.46112.7095.9566.3649.22177.1067.7451.43260.6692.09106.59
Johnson County 545.9673.20415.46332.75238.71249.3956.72141.28286.01126.3878.84
Benton County 7.5810.220.0027.509.953.317.8121.7520.5750.76119.27
Washington County 56.7051.140.0029.330.000.002.6745.970.0078.71127.53
Poweshiek County 134.840.00362.30232.9227.5151.2516.2121.49122.5691.31111.16
Tama County 64.7775.1716.0610.540.0013.193.5919.062.43121.43106.81
Keokuk County 0.000.000.000.000.000.002.0424.2912.3768.59138.69
 
Comparisons to National Norms % to Total >= 150% % to Total < 50% 

Iowa County 0.462.730.000.000.0012.4217.4910.010.0042.93164.88
Iowa 27.5721.6616.0350.2949.0136.93103.8069.7443.6068.77148.36
National 100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Linn County 17.4924.4115.3933.3724.1365.4070.3135.86113.6563.34158.13
Johnson County 150.5015.8566.62167.35116.9992.1058.8898.52124.7086.92116.97
Benton County 2.092.210.0013.834.881.228.1115.178.9734.91176.95
Washington County 15.6311.080.0014.750.000.002.7732.060.0054.13189.20
Poweshiek County 37.170.0058.09117.1413.4818.9216.8214.9953.4462.80164.91
Tama County 17.8516.282.585.300.004.873.7313.291.0683.51158.46
Keokuk County 0.000.000.000.000.000.002.1116.945.3947.17205.76


Sources: STI: PopStats, Circa April 2025